Digital transformation is no longer news, it's a necessity. Despite the widespread threat of disruption, many large companies in traditional industries have succeeded at digitizing their businesses in truly transformative ways. The New York Times, formerly a bastion of traditional media, has created a thriving digital product behind a carefully designed paywall. Best Buy has transformed its business in the face of Amazon's threat. John Deere has formed a data-analysis arm to complement its farm-equipment business. And Goldman Sachs and many others are using digital technologies to reimagine their businesses. In Driving Digital Strategy, Harvard Business School professor Sunil Gupta provides an actionable framework for following their lead. The first section-comprising chapters 1 through 3-discusses reimagining your business by examining its scope, business model, and ecosystem. Chapter 3 discusses how when business models change and new competition from different industries starts affecting your business, you may realize that you can't succeed alone and that you need to evolve into a platform, managing an ecosystem of players. A shift from selling products to creating a platform requires a very different mindset and strategy.